Puzzles
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- Tough nut to crack?
by Draco » Sat May 10, 2008 9:04 pm - 13 Replies
- 4441 Views
- Last post by Draco
Wed May 14, 2008 3:29 am
- Tough nut to crack?
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- 25x25 sudoku
by Naoki » Sun Apr 13, 2008 12:33 pm - 10 Replies
- 4278 Views
- Last post by m_b_metcalf
Wed Apr 16, 2008 1:19 pm
- 25x25 sudoku
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- This puzzle is only for the brave! {edit:Escargot}
by juanwang » Sat Oct 27, 2007 11:23 am - 2 Replies
- 2770 Views
- Last post by RW
Sat Oct 27, 2007 2:19 pm
- This puzzle is only for the brave! {edit:Escargot}
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- Difficult Puzzles. Chains can be avoided.
1, 2by wapati » Wed Jun 06, 2007 10:22 pm - 27 Replies
- 12062 Views
- Last post by claudiarabia
Sun Jul 01, 2007 2:47 pm
- Difficult Puzzles. Chains can be avoided.
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- 25 x 25 X-sudoku
by m_b_metcalf » Mon Feb 05, 2007 7:45 pm - 0 Replies
- 3452 Views
- Last post by m_b_metcalf
Mon Feb 05, 2007 7:45 pm
- 25 x 25 X-sudoku
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- Unusual swordfish puzzle
by wapati » Fri Oct 13, 2006 2:32 pm - 11 Replies
- 4265 Views
- Last post by wapati
Mon Oct 16, 2006 7:26 am
- Unusual swordfish puzzle
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- Interesting puzzle
by Eioru » Thu Sep 28, 2006 3:47 pm - 10 Replies
- 4281 Views
- Last post by RW
Wed Oct 04, 2006 2:23 pm
- Interesting puzzle
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- New, nearly locally-minimal, 100x 100 puzzle
by m_b_metcalf » Wed Sep 06, 2006 6:22 pm - 3 Replies
- 8857 Views
- Last post by gsf
Wed Sep 06, 2006 9:50 pm
- New, nearly locally-minimal, 100x 100 puzzle
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- ... and, for my next trick, 144 x 144
1, 2by m_b_metcalf » Fri Jun 02, 2006 3:19 pm - 15 Replies
- 13373 Views
- Last post by gsf
Fri Aug 04, 2006 1:49 am
- ... and, for my next trick, 144 x 144
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- 100 x 100 puzzle
1, 2by m_b_metcalf » Mon May 15, 2006 3:49 pm - 19 Replies
- 24048 Views
- Last post by udosuk
Mon Jul 31, 2006 3:46 pm
- 100 x 100 puzzle
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- Is this the "Best Ever Swordfish Sudoku"?
by tso » Thu Jul 06, 2006 3:58 pm - 4 Replies
- 4557 Views
- Last post by tso
Wed Jul 26, 2006 11:41 pm
- Is this the "Best Ever Swordfish Sudoku"?
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- The Toughest Known Puzzle
1, 2by Carcul » Mon Apr 10, 2006 12:33 pm - 22 Replies
- 26738 Views
- Last post by maria45
Wed Jul 26, 2006 2:38 pm
- The Toughest Known Puzzle
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- Puzzle that requires use of one naked pair
by Pi » Wed Nov 16, 2005 10:55 pm - 6 Replies
- 3599 Views
- Last post by Pat
Tue Nov 22, 2005 5:26 pm
- Puzzle that requires use of one naked pair
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- Double x-wing's
by MCC » Wed Oct 26, 2005 4:34 pm - 6 Replies
- 4546 Views
- Last post by r.e.s.
Thu Oct 27, 2005 10:12 pm
- Double x-wing's
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